Description

1,1,1,2,2,3,3,4,4,8,8,9,9,10,10,11,11,11-Octadecafluoro-Undecane-5,7-Dione is a highly fluorinated diketone compound, distinguished by its unique perfluoroalkyl chain structure. This molecular architecture provides exceptional chemical and thermal stability, making it a valuable intermediate for synthesizing advanced materials. It is primarily sought after by R&D chemists and manufacturers in the specialty chemical and advanced materials sectors for developing high-performance fluoropolymers, surfactants, and coatings.

Application

• Fluoropolymer Synthesis: A key monomer or intermediate for creating novel fluorinated polymers with enhanced resistance to heat, chemicals, and solvents.
• Specialty Surfactants & Fluids: Used to develop high-performance, low-surface-tension fluorosurfactants and heat-transfer fluids for demanding industrial applications.
• Advanced Material Research: Serves as a critical building block in academic and industrial R&D for new materials with specific hydrophobic, oleophobic, or dielectric properties.
• Pharmaceutical & Agrochemistry Intermediates: Employed in the synthesis of fluorinated active ingredients or intermediates, leveraging the metabolic stability imparted by fluorine atoms.
• Electronic Chemicals: Potential use in the formulation of specialty coatings or etching agents for the semiconductor and electronics industries.
• Specialty Coatings & Additives: Incorporated into formulations to create durable, chemically resistant, and water-repellent surface coatings.

Basic Information

Product Name	1,1,1,2,2,3,3,4,4,8,8,9,9,10,10,11,11,11-Octadecafluoro-Undecane-5,7-Dione
CAS No.	261503-82-6
Molecular Formula	C11H4F18O2
Molecular Weight	498.12 g/mol
Synonyms	Perfluoro-5,7-undecanedione; 5,7-Dioxo-1,1,1,2,2,3,3,4,4,8,8,9,9,10,10,11,11,11-octadecafluoroundecane; Octadecafluoroundecane-5,7-dione; 1,1,1,2,2,3,3,4,4,8,8,9,9,10,10,11,11,11-Octadecafluoro-5,7-undecanedione; 5,7-Diketooctadecafluoroundecane; FC-11-dione (abbrev.); Fluorinated C11 Diketone
EINECS	Contact for details

Quality Control

Our production of 1,1,1,2,2,3,3,4,4,8,8,9,9,10,10,11,11,11-Octadecafluoro-Undecane-5,7-Dione adheres to stringent quality management protocols. Each batch undergoes comprehensive analytical testing, including assay (HPLC/GC), identity confirmation (IR, NMR), and impurity profiling, to ensure high purity and batch-to-batch consistency. A detailed Certificate of Analysis (COA) is provided with every shipment, documenting all critical specifications.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area. Recommended storage temperature is between 2°C and 8°C to maintain optimal stability for extended periods. The container should be kept tightly sealed in a dry environment to minimize exposure to moisture.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 97.0%
Melting Point	Contact for details
Water Content (KF)	≤ 0.5%
Residue on Ignition	≤ 0.1%

Note: Specifications can be tailored. Please contact us for the detailed technical data sheet of a specific grade.